State | Wisconsin |
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Name | Felsic metavolcanic rocks of 1835- to 1845-Ma age group |
Geologic age | Early Proterozoic |
Lithologic constituents |
Major
Igneous > Volcanic > Felsic-volcanic > Rhyolite (Flow)Rhyolite to dacite and, locally, andesite tuff, breccia, and minor sedimentary rocks, including conglomerate.
Igneous > Volcanic > Felsic-volcanic > Dacite (Flow)Rhyolite to dacite and, locally, andesite tuff, breccia, and minor sedimentary rocks, including conglomerate.
Incidental
Sedimentary > Clastic > Conglomerate (Bed)Rhyolite to dacite and, locally, andesite tuff, breccia, and minor sedimentary rocks, including conglomerate.
Igneous > Volcanic > Felsic-volcanic (Volcaniclastic-volcanic breccia)Rhyolite to dacite and, locally, andesite tuff, breccia, and minor sedimentary rocks, including conglomerate.
Igneous > Volcanic > Mafic-volcanic > Andesite (Pyroclastic-tuff)Rhyolite to dacite and, locally, andesite tuff, breccia, and minor sedimentary rocks, including conglomerate.
|
Comments | Pembine-Wausau terrane |
References | |
NGMDB product | |
Counties | Langlade - Lincoln - Marathon |